نتایج جستجو برای: small interfering rna
تعداد نتایج: 1014115 فیلتر نتایج به سال:
Sex-chromosome dosage compensation requires selective identification of X chromatin. How this occurs is not fully understood. We show that small interfering RNA (siRNA) mutations enhance the lethality of Drosophila males deficient in X recognition and partially rescue females that inappropriately dosage-compensate. Our findings are consistent with a role for siRNA in selective recognition of X ...
Transfected siRNAs regulate numerous transcripts sharing limited complementarity to the RNA duplex. This unintended ("off-target") silencing can hinder the use of RNAi to define gene function. Here we describe position-specific, sequence-independent chemical modifications that reduced silencing of partially complementary transcripts by all siRNAs tested. Silencing of perfectly matched targets w...
The maize (Zea mays) gene RAGGED SEEDLING2-R (RGD2-R) encodes an ARGONAUTE7-like protein required for the biogenesis of trans-acting small interfering RNA, which regulates the accumulation of AUXIN RESPONSE FACTOR3A transcripts in shoots. Although dorsiventral polarity is established in the narrow and cylindrical leaves of rgd2-R mutant plants, swapping of adaxial/abaxial epidermal identity occ...
Current modifications used in small interfering RNAs (siRNAs), such as 2'-methoxy (2'-OMe) and 2'-fluoro (2'-F), improve stability, specificity or immunogenic properties but do not improve potency. These modifications were previously designed for use in antisense and not siRNA. We show, for the first time, that the siRNA-optimized novel 2'-O modifications, 2'-O-benzyl, and 2'-O-methyl-4-pyridin...
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